Joseph pilkington



d y PATENTE@ V JAN 71859 rum: n faj- @nietfensemf-@ffiw JOSEPH PILKINGTON, or meANKroRD, PENNSYLVANIA.

Letters Patent No. 73,037, daad January 7, 186s.

IMPROVEMENT IN PICKER-MOTION FOR vLOOlyIS.

.To ALL WHoM 11T MAY coNoERN:

Be it known that I, JOSEPH PILKINGTON, of Frankford, county of Philadelphia.,A and State of Pennsylvania,

have invented certain new and useful Improvements in Power-Looms; 'and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had -to'the annexed drawings, making` a part of'this specification, in which- Figure 1 is `a front view of the loomframe and the improvements.

Figure 2 is a view of one of the picking-stas. I p

Figure Sis a View of one of the picking-staffs, and rock-shaft, and weight.

Similar-.letters in the drawings represent same parts.

My Aimprovements belong to that part of a power-loom called the picking-motion. 4

The nature of'my improvementconsists in the combination and arrangement of weights instead of springs, for the purpose of drawing back lthe picking-staffs after throwing the shuttle vacross the layialso connecting the pickingstas to thetreadlesvor rock-shaft by metallic connections, dispensing with leatherstraps.

To enable others skilled in the art to make and operate my improvements, I will describe the constructionA and operation of the same.

' A` represents the loom-frame, B the lay, C the cam or picking-shaft. 0n the shaft C are tappets e e, oonstructed in the usual manner. t is a picking-treadle, constructed as usual. O is a. rock-shaft, constructed as usual, having on it the casting r, which is called the bee-wing. On this shaft is a Weight, 2. From this shaft is an arm, g., d d are the pickingst'aifs, hung on a stud fastened to the rocker of the lay in the usual manner.

The picking-steifen the right has an arm at the bottom latin 'which there is a slot. In this slot one end ofthe The operation is as follows: .As the cam-shaft revolves, the tappet e strikes the bee-wing r, "antidepresses it, the arm g communicates the motion to the staff d, which throws theshuttle across the lay. A.s soon'as the tappete leaves. the bee-wingj', the/Weight 2 counterbalanees the rock-shaft and the picking-staff, and by its Weightwill draw the picking-staff back to the end of the lay, as seen in the drawings. Thearrangement ofthe picking-staff on the left is a modification. vA't the bottom of the picking-staff d isan arm, 7c. Qn this arm rests the treadle which is constructed in the usual manner. At thebottom also ofthis picking-staff is the weight 41, of suicient weight 'to raise the treadle t, and Vcounterbalance the stati` eZ. As the tappet e depresses"`tlxetreadle t, it will vdepress the 'arm k, and the pickimgsta` throws theA shuttle to the right. The weight 1 will raise the ,treadle t, and bring the staff in the position shown in thevdrawings. By -these arrangements I' am enabled to dispense with allstraps and springs.

C'Z-az'm. i l I claim the combination of the'weight 2, shaft O, arm g, and staff d, all .constructed and arranged as and for the purpose described. i. I i JOSEPH PILKINGTON.

Witnesses WM. H. BROWN, A. K. lfl'ouemlss. 

